/****************************************************************************
**
** Copyright (C) 2008-2012 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#pragma once
#ifndef QT3DS_RENDER_MATERIAL_HELPERS_H
#define QT3DS_RENDER_MATERIAL_HELPERS_H
#include "Qt3DSRenderCustomMaterial.h"
#include "Qt3DSRenderDefaultMaterial.h"
#include "Qt3DSRenderReferencedMaterial.h"

namespace qt3ds {
namespace render {

    inline bool IsMaterial(SGraphObject &obj)
    {
        return obj.m_Type == GraphObjectTypes::CustomMaterial
            || obj.m_Type == GraphObjectTypes::DefaultMaterial
            || obj.m_Type == GraphObjectTypes::ReferencedMaterial;
    }

    inline bool IsMaterial(SGraphObject *obj)
    {
        if (obj)
            return IsMaterial(*obj);
        return false;
    }

    inline bool IsImage(SGraphObject &obj) { return obj.m_Type == GraphObjectTypes::Image; }

    inline bool IsImage(SGraphObject *obj)
    {
        if (obj)
            return IsImage(*obj);
        return false;
    }

    inline SGraphObject *GetNextMaterialSibling(SGraphObject *obj)
    {
        if (obj == NULL)
            return NULL;
        if (IsMaterial(obj) == false) {
            QT3DS_ASSERT(false);
            return NULL;
        }
        if (obj->m_Type == GraphObjectTypes::CustomMaterial)
            return static_cast<SCustomMaterial *>(obj)->m_NextSibling;
        else if (obj->m_Type == GraphObjectTypes::DefaultMaterial)
            return static_cast<SDefaultMaterial *>(obj)->m_NextSibling;
        else
            return static_cast<SReferencedMaterial *>(obj)->m_NextSibling;
    }

    inline void SetNextMaterialSibling(SGraphObject &obj, SGraphObject *sibling)
    {
        if (IsMaterial(obj) == false) {
            QT3DS_ASSERT(false);
            return;
        }
        if (obj.m_Type == GraphObjectTypes::CustomMaterial)
            static_cast<SCustomMaterial *>(&obj)->m_NextSibling = sibling;
        else if (obj.m_Type == GraphObjectTypes::DefaultMaterial)
            static_cast<SDefaultMaterial *>(&obj)->m_NextSibling = sibling;
        else
            static_cast<SReferencedMaterial *>(&obj)->m_NextSibling = sibling;
    }
}
}
#endif